Objects in the image:
category: car
category: traffic light
category: truck
category: traffic light
category: car
category: car
category: car

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a light?
a: Yes
q: is it one of the signal lights?
a: Yes
q: is it on the right?
a: No